#pragma once

#include <iostream>

class Rectangle
{
public:
    void drawRectangle()
    {
        std::cout << "draw a rectangle." << std::endl;
    }
};

class Square
{
public:
    void drawSquare()
    {
        std::cout << "draw a square." << std::endl;
    }
};

class Circle
{
public:
    void drawCircle()
    {
        std::cout << "draw a circle." << std::endl;
    }
};